package com.example.coolweather.service;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.IBinder;
import android.os.SystemClock;
import android.preference.PreferenceManager;
import android.telecom.Call;

import com.example.coolweather.gson.Weather;
import com.example.coolweather.util.HttpUtil;
import com.example.coolweather.util.Utility;

import java.io.IOException;
import java.lang.ref.PhantomReference;

import javax.security.auth.callback.Callback;

public class AutoUpdateService extends Service {

    @Override
    public IBinder onBind(Intent intent){
        return null;
    }

    @Override
    public int onStartCommand(Intent intent,int flags,int startId){
        updateWeather();
        updateBingPic();

        AlarmManager manager = (AlarmManager) getSystemService(ALARM_SERVICE);
        int anHour = 8 * 60 * 60 * 1000;    //这是 8 小时的毫秒数
        long triggerAtTime = SystemClock.elapsedRealtime()+anHour;
        Intent i = new Intent(this,AutoUpdateService.class);
        PendingIntent pi = PendingIntent.getService(this,i,0,i,0);
        manager.cancel(pi);
        manager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,triggerAtTime,pi);
        return super.onStartCommand(intent,flags,startId);
    }

    /*
     * 更新天气信息
     */
    private void updateWeather(){
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(this);
        String weatherString = prefs.getString("weather",null);
        if(weatherString != null){
            // 有缓存时直接解析天气数据
            Weather weather = Utility.handleWeatherResponse(weatherString);
            String weatherId = weather.basic.weatherId;

            String weatherUrl = "http://guolin.tech/api/weather?cityid="+weatherId+"APP KEY";

            HttpUtil.sendOkHttpRequest(weatherUrl,new Callback(){
                @Override
                public void onResponse(Call call, Response response) throws IOException{
                    String responseText = response.body().string();
                    Weather weather = Utility.handleWeatherResponse(responseText);
                    if(weather != null && "ok".equals(weather.status)){
                        SharedPreferences.Editor editor = PendingIntent.getDefaultSharePreferences(AutoUpdateService.this).edit();
                        editor.putString("weather",responseText);
                        editor.apply();
                    }
                }

                @Override
                public void onFailure(Call call,IOException e){
                    e.printStackTrace();
                }
            });
        }
    }

    /*
    *  更新必应每日一图
    * */
    private void updateBingPic(){
        String requestBingPic = "http://guolin.tech/api/bing_pic";
        HttpUtil.sendOkHttpRequest(requestBingPic,new Callback(){
            @Override
            public void onResponse(Call call,Response response) throws IOException{
                String bingPic = response.body().string();
                SharedPreferences.Editor editor = PreferenceManager.getDefaultSharedPreferences(AutoUpdateService.this).edit();
                editor.putString("bing_pic",bingPic);
                editor.apply();
            }

            @Override
            public void onFailure(Call call,IOException e){
                e.printStackTrace();
            }
        });
    }


    public AutoUpdateService() {
    }

    @Override
    public IBinder onBind(Intent intent) {
        // TODO: Return the communication channel to the service.
        throw new UnsupportedOperationException("Not yet implemented");
    }
}